o-Nitrophenyl-1-thio-β-D-galactopyranoside

2-硝基苯基-1-硫代-β-D-吡喃半乳糖苷

Also known as: 2-Nitrophenyl 1-thio-β-D-galactopyranoside, O-Nitrophenyl-β-D-thiogalactopyranoside, ONP-thio-β-D-galactoside, Rarechem AH BS 0066, MFCD00076099, EINECS 214-593-0

o-Nitrophenyl-1-thio-β-D-galactopyranoside (CAS 1158-17-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H15NO7S and a molecular weight of 317.31500 g/mol. It is also known as 2-Nitrophenyl 1-thio-β-D-galactopyranoside, O-Nitrophenyl-β-D-thiogalactopyranoside and ONP-thio-β-D-galactoside. Key properties include a melting point of 196-203 °C, a boiling point of 572.1ºC at 760mmHg, a density of 1.63g/cm3 and a flash point of 299.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1158-17-4
Jingsj CID: J-1512580-2
Molecular Formula: C₁₂H₁₅NO₇S
Chinese Name: 2-硝基苯基-1-硫代-β-D-吡喃半乳糖苷
Molecular Weight: 317.31500 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	196-203 °C
Boiling Point	572.1ºC at 760mmHg
Density	1.63g/cm3
Flash Point	299.8ºC

Frequently Asked Questions

What is the CAS number of o-Nitrophenyl-1-thio-β-D-galactopyranoside?

The CAS number of o-Nitrophenyl-1-thio-β-D-galactopyranoside is 1158-17-4.

What are the molecular formula and molecular weight of o-Nitrophenyl-1-thio-β-D-galactopyranoside?

o-Nitrophenyl-1-thio-β-D-galactopyranoside has molecular formula C12H15NO7S and molecular weight 317.31500 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "o-Nitrophenyl-1-thio-β-D-galactopyranoside (CAS 1158-17-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512580-2 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.